8t-21=2t-7

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Solution for 8t-21=2t-7 equation:


Simplifying
8t + -21 = 2t + -7

Reorder the terms:
-21 + 8t = 2t + -7

Reorder the terms:
-21 + 8t = -7 + 2t

Solving
-21 + 8t = -7 + 2t

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-2t' to each side of the equation.
-21 + 8t + -2t = -7 + 2t + -2t

Combine like terms: 8t + -2t = 6t
-21 + 6t = -7 + 2t + -2t

Combine like terms: 2t + -2t = 0
-21 + 6t = -7 + 0
-21 + 6t = -7

Add '21' to each side of the equation.
-21 + 21 + 6t = -7 + 21

Combine like terms: -21 + 21 = 0
0 + 6t = -7 + 21
6t = -7 + 21

Combine like terms: -7 + 21 = 14
6t = 14

Divide each side by '6'.
t = 2.333333333

Simplifying
t = 2.333333333

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